Table 3 Parallel Testing Regime: Community Peer Organisation Bulk Billing GP Clinic Setting (Funded by Federal Government - Medicare and State Government)

Inputs

 Visit 1: Initial Screening

 Pathology costs

 Visit 2: Test Results

=(P_HIV ∗ Sen_DHC ∗ Sen_EIA ∗ Sen_WB) ∗ AC per True HIV Positive_{DHC + , EIA + , WB+} + (P_HIV ∗ (1 − Sen_DHC) ∗ Sen_EIA ∗ Sen_WB) ∗ AC per True HIV Positive_{DHC − , EIA + , WB+} + (P_HIV ∗ Sen_DHC ∗ (1 − Sen_EIA)) ∗ AC per False Negative_{DHC + , EIA−} + (P_HIV ∗ (1 − Sen_DHC) ∗ (1 − Sen_EIA)) ∗ AC per False Negative_{DHC − , EIA−} + ((1 − P_HIV) ∗ (1 − Spec_DHC) ∗ Spec_EIA) ∗ AC per False HIV Positive_{DHC + , EIA−} + ((1 − P_HIV) ∗ (1 − Spec_DHC) ∗ (1 − Spec_EIA) ∗ Spec_WB) ∗ AC per False HIV Positive_{DHC + , EIA + , WB−} + ((1 − P_HIV) ∗ Spec_DHC ∗ (1 − Spec_EIA) ∗ Spec_WB) ∗ AC per False HIV Positive_{DHC − , EIA + , WB−} + ((1 − P_HIV) ∗ Spec_DHC ∗ Spec_EIA) ∗ AC per True Negative_{DHC − , EIA−}

\( =\frac{1}{\left({P}_{HIV}\ast Se{n}_{DHC}\ast Se{n}_{EIA}\ast Se{n}_{WB}\right)+\left({P}_{HIV}\ast \left(1- Se{n}_{DHC}\right)\ast Se{n}_{EIA}\ast Se{n}_{WB}\right)} \)